Who said "Humor is the oxygen of the soul; breathe it deeply."?

This quote is attributed to Amy Lowell.

Humor is the oxygen of the soul; breathe it deeply. - Amy Lowell

"Humor is the oxygen of the soul; breathe it deeply."

Amy Lowell Humor

Poet Critic American 1874–1925

"Poetry is the clear expression of mixed feelings."

"All books are either dreams or swords."

"The world breaks everyone, and afterward, many are strong at the broken places."

"Beauty is something wonderful and strange that the artist brings into the world."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."